Cristobal Graña Samanez is a design lead and senior software engineer at Centauri Health Solutions, Inc. since October 2025, and serves as the founder, chief designer, and developer of Ray, a daily reading app launched in May 2025. In addition, Cristobal is a principal user experience consultant for Trackit Labs, focusing on improving the UX of a mobile web app for Padel players. Previously, a lead UX engineer at GoDaddy from July 2018 to September 2025, Cristobal contributed to design systems and interaction engineering across multiple teams, evolving components and patterns within the UX library. An educational background includes a Bachelor of Applied Science in Mathematics and Computer Science from the University of Illinois Urbana-Champaign.
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